<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>On补充</title>
</head>
<body>
    <div id="app">
        <input type="button" value="点击" @click="doIt(66,'大哥')">
        <br>
        <input type="text" @keyup.enter="sayHi">
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script>
        var app = new Vue({
            el:"#app",
            methods: {
                doIt:function(p1,p2){
                    alert(p1);
                    alert(p2)
                },
                sayHi:function(){
                    alert('回车键了')
                }
            }
        })
    </script>
</body>
</html>